Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
Connecticut Agricultural Experiment Station. Plant Disease Information Office.
University of Connecticut. Department of Plant Science and Landscape Architecture.
Oklahoma State University. Department of Entomology and Plant Pathology.
Note: Maps of potential range expansion for the red imported fire ant in Oklahoma and the United States
Virginia Department of Forestry.
University of Connecticut. Connecticut Invasive Plant Working Group.
New York City Department of Health.
New York Invasive Species Clearinghouse.
Cornell University. Forest Health and Invasive Non-native Forest Pests.
University of New Hampshire. Cooperative Extension; New Hampshire Department of Agriculture, Markets & Food.
New York State Department of Environmental Conservation.
New York Department of Environmental Conservation.
Cornell University. New York State Integrated Pest Management Program.
Utah Department of Agriculture and Food.
New York State Department of Agriculture and Markets.
University of New Hampshire. Cooperative Extension.
Montana Fish, Wildlife, and Parks.
Virginia Department of Conservation and Recreation.